[automerger skipped] Add headers and macros for building VHAL server for AGL am: d599096596 am: 47b61bce3a am: bd23061fee am: d3ce969089 -s ours am: 233742f199 -s ours
am skip reason: Change-Id I07006a4a3e20900a2fa90b84167d114f9ac45cfe with SHA-1 d599096596 is in history

Change-Id: I0675a998bac7ed99d8012f851182c967f0725c7e